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Cod sursa(job #703055)
#include<fstream>
#define NMAX 10010
using namespace std;
ifstream f("rucsac.in");
ofstream g("rucsac.out");
int n, G, a[NMAX], best[NMAX], vz[NMAX];
void Pune(int greutate, int pret, int pz)
{
int i;
for (i=0; i<=G; ++i)
if (vz[i]!=pz)
if (i+greutate<=G && vz[i] && best[i]+pret>best[i+greutate])
{
vz[i+greutate]=pz;
best[i+greutate]=best[i]+pret;
}
}
void Citeste()
{
int x, y, i=1;
f>>n>>G; best[0]=0; vz[0]=-1;
for (i=1; i<=n; ++i) best[i]=-1;
while (n--)
{
f>>x>>y;
Pune(x, y, i); ++i;
}
g<<best[G]<<"\n";
}
int main()
{
Citeste();
f.close();
g.close();
return 0;
}